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Pressure Relief Safety Head NSN 4820-01-632-1978

Item Description

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.

NSN 4820-01-632-1978 NSN: 4820-01-632-1978

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Features and Characteristics

Part Name Assigned By Controlling Agency
Ab210014
FSC
4820 Nonpowered Valves
NIIN
016321978
NSN
4820016321978

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AB210014
Cage Code:
15927
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481909090
  • NAICS: 332911
  • SITC: 74790
  • Description: Parts of taps, cocks, valves and similar appliances, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-632-1978
What are the manufacturers of nsn 4820016321978?
Does this nsn 4820016321978 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016321978
An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. it may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.
Does nsn 4820016321978 contain any precious metals?
No precious metal content.
Does nsn 4820016321978 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016321978?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
28139
FIIG:
A512U0
App. Key:
Cond. Code:
1
Status:
A

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